| Akiteru Ko (Peabody, MA) | Bing-Hoang Ko (Miao-Li, TW) | Byoung Doo Ko (Kyongsangbuk-do, KR) |
| Alan Ko (Sunnyvale, CA) | Bok Rim Ko (Kyungki-Do, KR) | Byung Do Ko (Daejeon, KR) |
| Alex Ko (Sunnyvale, CA) | Bok-Rim Ko (Ichon-shi, KR) | Byung Soo Ko (Seoul, KR) |
| Alexander Ko (Sunnyvale, CA) | Bok-soon Ko (Yongin, KR) | Byung-Hoon Ko (Daejeon, KR) |
| Alexander S. Ko (Santa Clara, CA) | Bok-You Ko (Yongin-shi, KR) | Byung-Jin Ko (Seoul, KR) |
| Alexander S. Ko (Sunnyvale, CA) | Bong Soo Ko (Seoul, KR) | Byungsoo Ko (Hwasugn, KR) |
| Alexander Sou-Kang Ko (Sunnyvale, CA) | Bong Su Ko (Seoul, KR) | Byungsoo Ko (Seoul, KR) |
| Allen Wai Yee Ko (Evansville, IN) | Bong Suk Ko (Kyungki-Do, KR) | Byung-Soo Ko (Hwasung, KR) |
| Allen Wai-Yee Ko (Evansville, IN) | Bongsub Samuel. Ko (Addison, IL) | Byung-Soo Ko (Uiwang-shi, KR) |
| Bao-Tsan Ko (Taichung, TW) | Boss Ko (Taichung Hsien, TW) | Byung-Soo Ko (Seoul, KR) |
| Barshi Ko (Taipei Hsien, TW) | Bu Jin Ko (Taejon, KR) | Byung-Soo Ko (Gyeonggi-do, KR) |
| Beng Theam Ko (Singapore, SG) | Bu-Jin Ko (Joong-gu, KR) | Byung-Soo Ko (Kyoungki-do, KR) |
| BengTheam Ko (Singapore, SG) | Bu-Jin Ko (Daejeon, KR) | Byung-Up Ko (Kimhae-City, Kyungsangnam-do KR) |
| Benjamin Ko (Winchester, VA) | Bu-Jin Ko (Daejon, KR) | Calvin Ko (San Jose, CA) |
| Beom Seok Ko (Seoul, KR) | Byeong D. Ko (Kyungsangbook-Do, KR) | Chae-Ho Ko (Seoul, KR) |
| Beom-Kyu Ko (Kyunggi-do, KR) | Byeong Doo Ko (Kyungsangbook-Do, KR) | Chan U. Ko (Woodbury, MN) |
| Beom-Kyu Ko (Taejeon-Kwangyokshi, KR) | Byoung D. Ko (Chilgok, KR) | |
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